<template>
  <el-form ref="loginForm" :rules="loginRules" :model="loginForm"
           class="login-form" status-icon label-width="0">
    <el-form-item prop="mobile">
      <el-input v-model="loginForm.mobile" size="small" auto-complete="off"
                placeholder="请输入手机号码" @keyup.enter.native="handleLogin">
        <i slot="prefix" class="icon-iphone"/>
      </el-input>
    </el-form-item>
    <el-form-item prop="code">
      <el-input v-model="loginForm.code" size="small" auto-complete="off"
                placeholder="请输入验证码" @keyup.enter.native="handleLogin">
        <i slot="prefix" class="icon-duanxin" style="margin-top:6px;"/>
        <template slot="append">
          <span :class="[{display:msgKey}]" class="msg-text" @click="handleSend">{{ msgText }}</span>
        </template>
      </el-input>
    </el-form-item>
    <el-form-item>
      <el-button size="small" type="primary" class="login-submit" @click.native.prevent="handleLogin">
        登录
      </el-button>
    </el-form-item>
  </el-form>
</template>

<script>
  const MSGINIT = "发送验证码",
    MSGSCUCCESS = "${time}秒后重发",
    MSGTIME = 60;
  import {isvalidatemobile} from "@/util/validate";
  import {mapGetters} from "vuex";
  import request from "@/router/axios";

  export default {
    name: "Codelogin",
    data() {
      const validatePhone = (rule, value, callback) => {
        if (isvalidatemobile(value)[0]) {
          callback(new Error(isvalidatemobile(value)[1]));
        } else {
          callback();
        }
      };
      const validateCode = (rule, value, callback) => {
        if (value.length != 4) {
          callback(new Error("请输入4位数的验证码"));
        } else {
          callback();
        }
      };
      return {
        msgText: MSGINIT,
        msgTime: MSGTIME,
        msgKey: false,
        loginForm: {
          mobile: "",
          code: "",
        },
        loginRules: {
          mobile: [{required: true, trigger: "blur", validator: validatePhone}],
          code: [{required: true, trigger: "blur", validator: validateCode}],
        },
      };
    },
    computed: {
      ...mapGetters(["tagWel"]),
    },
    methods: {
      handleSend() {
        // 判断是否可以发送（时间限制）
        if (this.msgKey) return;
        // 发送验证码
        this.$refs.loginForm.validateField("mobile", (valid) => {
          if (!valid) {
            request({
              url: "/admin/mobile/" + this.loginForm.mobile,
              method: "get",
            }).then((response) => {
              if (response.data.data) {
                this.$message.success("验证码发送成功");
                this.timeCacl();
              } else {
                this.$message.error(response.data.msg);
              }
            });
          }
        });
      },
      handleLogin() {
        this.$refs.loginForm.validate((valid) => {
          if (valid) {
            this.$store.dispatch("LoginByPhone", this.loginForm).then(() => {
              this.$router.push({path: this.tagWel.value});
            });
          }
        });
      },
      timeCacl() {
        // 计时避免重复发送
        this.msgText = MSGSCUCCESS.replace("${time}", this.msgTime);
        this.msgKey = true;
        const time = setInterval(() => {
          this.msgTime--;
          this.msgText = MSGSCUCCESS.replace("${time}", this.msgTime);
          if (this.msgTime === 0) {
            this.msgTime = MSGTIME;
            this.msgText = MSGINIT;
            this.msgKey = false;
            clearInterval(time);
          }
        }, 1000);
      },
    },
  };
</script>

<style>
  .msg-text {
    display: block;
    width: 60px;
    font-size: 12px;
    text-align: center;
    cursor: pointer;
  }
  .msg-text.display {
    color: #ccc;
  }
</style>
